Tunnelling machines. Road headers and continuous miners. Safety requirements
发布日期:2014-05-31 实施日期:2014-05-31
发布日期:2016-04-30 实施日期:2016-04-30
发布日期:2012-09-01 实施日期:2012-09-01
发布日期:2016-09-01 实施日期:2016-09-01
发布日期:2016-05-01 实施日期:2016-05-01
Standard Test Method for Determination of In-Situ Stress in Rock Using Hydraulic Fracturing Method
适用范围:<p><span class="italic"><span class="italic">Limitations</span>: </span> <p>The depth of measurement is limited only by the length of the test hole.</p> <p>Presently, the results of the hydraulic fract...
实施日期:2008-07-01
发布日期:2016-09-30 实施日期:2016-09-30
Geotextiles and geotextile-related products. Characteristics required for use in the construction of tunnels and underground structures
实施日期:2014-01-01
发布日期:2015-07-01 实施日期:2015-07-01
实施日期:2014-08-16
Geotextiles and geotextile-related products. Characteristics required for use in the construction of tunnels and underground structures
发布日期:2014-02-28 实施日期:2014-02-28
Standard Specification for Vitrified Clay Pipe and Joints for Use in Microtunneling,Sliplining,Pipe Bursting,and Tunnels
适用范围:<p id="s00002">1.1 This specification establishes the criteria for the manufacture, quality assurance testing, inspection, installation, field acceptance testing, and product marking of vitrified cla...
实施日期:2008-11-01
Tunnelling machinery. Safety requirements
发布日期:2014-05-31 实施日期:2014-05-31
实施日期:2014-07-11
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